Julie Mehretu has collaborated with BMW to design the 20th BMW Art Car, which will participate in the Le Mans 24-hour endurance-focused sports car race.

Ethiopian-born artist Julie Mehretu re-set her auction record, in a sign of growth for the African art market.

Mehretu's 'Untitled' (2001) was sold at Sotheby's Hong Kong last week.

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Some of these programs have even evolved into institutions in their own right.

In a series of videos, Lebowitz and others take on topics such as why a flattering portrait is better than a great one.

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American Express will also donate $1 million to the Studio Museum in Harlem.

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She is currently the subject of a mid-career survey at the Whitney Museum in New York.